The National Zoological Park was established by an Act of Congress in 1889. By 1900, the Zoo's size had increased significantly due to three successive additions, which were followed by additional land acquisitions in 1921 and 1923, as well as a…

Over the years, Holt House has come to be associated with Presidents John Quincy Adams, Andrew Jackson, and Martin Van Buren, but no substantial evidence has been uncovered to support these claims. Since 1891, it has served as the administrative…